PASCO discovers radioactive plates and bowls to investigate with a Geiger Muller detector.
www.pasco.com/prodCatalog/SF/SF-7220_handheld-gm-counter/index.cfm
PASCO discovers radioactive plates and bowls to investigate with a Geiger Muller detector.
www.pasco.com/prodCatalog/SF/SF-7220_handheld-gm-counter/index.cfm